{"title":"A frequency-hopped Ungerboeck-encoded 4-ary DPSK modem","authors":"S. V. Pizzi, P. J. Leary, J. deLellis","doi":"10.1109/MILCOM.1988.13381","DOIUrl":null,"url":null,"abstract":"The authors discuss the design of a frequency-hopped Ungerboeck-encoded 4-ary DPSK HF modem. First, they present a general channel model. Next, they present channel simulation results for rate-2/3 encoding of 8-ary and 4-ary differentially coherent DPSK. Both additive Gaussian white noise and Rayleigh fading channels are examined. The basic structure of the frequency-hopped waveform is elucidated, and it is shown how the Ungerboeck encoding is combined with the waveform to produce the frequency-hopped encoded modulation.<<ETX>>","PeriodicalId":66166,"journal":{"name":"军事通信技术","volume":"27 1","pages":"133-141 vol.1"},"PeriodicalIF":0.0000,"publicationDate":"1988-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"军事通信技术","FirstCategoryId":"1093","ListUrlMain":"https://doi.org/10.1109/MILCOM.1988.13381","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
The authors discuss the design of a frequency-hopped Ungerboeck-encoded 4-ary DPSK HF modem. First, they present a general channel model. Next, they present channel simulation results for rate-2/3 encoding of 8-ary and 4-ary differentially coherent DPSK. Both additive Gaussian white noise and Rayleigh fading channels are examined. The basic structure of the frequency-hopped waveform is elucidated, and it is shown how the Ungerboeck encoding is combined with the waveform to produce the frequency-hopped encoded modulation.<>
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